YES
(ignored inputs)COMMENT reduction failed
Rewrite Rules:
   [ or(true,true) -> true,
     or(?x,?y) -> or(?y,?x) ]
Apply Direct Methods...
Inner CPs:
   [  ]
Outer CPs:
   [ true = or(true,true) ]
Overlay, check Innermost Termination...
unknown Innermost Terminating
unknown Knuth & Bendix
Linear
Development Closed
Direct Methods: CR

Combined result: CR
/tmp/filevQhziR.trs: Success(CR)
(0 msec.)